/* =============================================
   アーティストページ (LuminaLive Artist)
   ============================================= */
.artist-view {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 24px 64px;
}
.artist-loading { padding: 80px 0; text-align: center; color: var(--text-dim); }

/* Hero */
.artist-hero {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 24px;
    align-items: center;
    padding: 24px 0 28px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 28px;
}
.artist-hero-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #ff5fa3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-fg);
    font-size: 48px;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(0,0,0,0.4);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}
.artist-hero-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.artist-hero-eyebrow {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}
.artist-hero-name {
    margin: 0;
    font-size: 36px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
    word-break: break-all;
}
.artist-hero-desc {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.5;
}
.artist-hero-desc:empty { display: none; }
.artist-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-dim);
}
.artist-hero-sep { color: var(--text-muted); }
.artist-hero-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.artist-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    transition: all 0.12s;
}
.artist-cta-secondary {
    background: var(--surface3);
    color: var(--text);
    border-color: var(--border);
}
.artist-cta-secondary:hover {
    background: var(--surface2);
    border-color: var(--accent);
}

@media (max-width: 720px) {
    .artist-hero {
        grid-template-columns: 80px 1fr;
        gap: 16px;
    }
    .artist-hero-avatar {
        width: 80px; height: 80px; font-size: 32px;
    }
    .artist-hero-name { font-size: 26px; }
}

/* Section header */
.artist-section { margin-bottom: 36px; }
.artist-section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.artist-section-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}
.artist-section-sort {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-dim);
}
.artist-section-sort label {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 10px;
    color: var(--text-muted);
}
.artist-section-sort select {
    padding: 5px 10px;
    background: var(--surface3);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 12px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.1s;
}
.artist-section-sort select:hover,
.artist-section-sort select:focus { border-color: var(--accent); }

/* 楽曲名フィルタチップ */
.artist-song-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}
.artist-song-chip {
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.12s;
    font: inherit;
    font-size: 12px;
}
.artist-song-chip:hover {
    background: var(--surface3);
    color: var(--text);
    border-color: var(--accent);
}
.artist-song-chip.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-fg);
    font-weight: 600;
}

/* 動画カードグリッド */
.artist-song-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.artist-song-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
}
.artist-song-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.artist-song-card-thumb {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--surface3), var(--surface2));
    position: relative;
    overflow: hidden;
}
.artist-song-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.artist-song-card-thumb-fallback {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-dim);
    font-size: 14px; font-weight: 600;
}
.artist-song-card-body {
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.artist-song-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.artist-song-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: auto;
    padding-top: 4px;
}
.artist-song-card-charts-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    background: var(--surface3);
    border-radius: 10px;
    font-size: 10px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
}

/* 空状態 */
.artist-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-dim);
}
.artist-empty-icon { font-size: 48px; opacity: 0.4; margin-bottom: 12px; }
.artist-empty-text { font-size: 13px; margin: 0; }